the number of stamps collected by Arvind and also are in ratio 7:3 together they have 180 stamps.
find the number of stamp each one has
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Let the common ratio be a
7a+3a=180
10a=180
a=18
So the number of stamp first one has=7*18=126
The number of stamp second one has=3*18=54
7a+3a=180
10a=180
a=18
So the number of stamp first one has=7*18=126
The number of stamp second one has=3*18=54
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